Question

Gore
The amount of heat required to raise the
temperature of a body from 20°C to 60° C is
(water equivalent of body is 10 gm). Mby Co
(1) 200 cal
(2) 300 cal
(3) 400 cal
(4) 500 cal​

Answer 1

When they write water equivalent, they indirectly give you the value of

m×c

And, as u know

Q= mc∆T

so,

Q= 10× 40= 400cal